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<h1 class="title">pathdeform.h 示例文件</h1>
<span class="subtitle">painting/deform/pathdeform.h</span>
<!-- $$$painting/deform/pathdeform.h-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">

  <span class="comment">/****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the demonstration applications of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, you may use this file under the terms of the BSD license
  ** as follows:
  **
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  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
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  <span class="preprocessor">#ifndef PATHDEFORM_H</span>
  <span class="preprocessor">#define PATHDEFORM_H</span>

  <span class="preprocessor">#include &quot;arthurwidgets.h&quot;</span>

  <span class="preprocessor">#include &lt;QBasicTimer&gt;</span>
  <span class="preprocessor">#include &lt;QDateTime&gt;</span>
  <span class="preprocessor">#include &lt;QPainterPath&gt;</span>

  <span class="keyword">class</span> PathDeformRenderer : <span class="keyword">public</span> ArthurFrame
  {
      Q_OBJECT
      Q_PROPERTY(bool animated READ animated WRITE setAnimated)
      Q_PROPERTY(<span class="type">int</span> radius READ radius WRITE setRadius)
      Q_PROPERTY(<span class="type">int</span> fontSize READ fontSize WRITE setFontSize)
      Q_PROPERTY(<span class="type">int</span> intensity READ intensity WRITE setIntensity)
      Q_PROPERTY(<span class="type"><a href="../qtcore/qstring.html">QString</a></span> text READ text WRITE setText)

  <span class="keyword">public</span>:
      <span class="keyword">explicit</span> PathDeformRenderer(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>widget<span class="operator">,</span> bool smallScreen <span class="operator">=</span> <span class="keyword">false</span>);

      <span class="type">void</span> paint(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter) override;

      <span class="type">void</span> mousePressEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>e) override;
      <span class="type">void</span> mouseReleaseEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>e) override;
      <span class="type">void</span> mouseMoveEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>e) override;
      <span class="type">void</span> timerEvent(<span class="type"><a href="../qtcore/qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>e) override;

      <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> sizeHint() <span class="keyword">const</span> override { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span>(<span class="number">600</span><span class="operator">,</span> <span class="number">500</span>); }

      bool animated() <span class="keyword">const</span> { <span class="keyword">return</span> m_animated; }
      <span class="type">int</span> radius() <span class="keyword">const</span> { <span class="keyword">return</span> <span class="type">int</span>(m_radius); }
      <span class="type">int</span> fontSize() <span class="keyword">const</span> { <span class="keyword">return</span> m_fontSize; }
      <span class="type">int</span> intensity() <span class="keyword">const</span> { <span class="keyword">return</span> <span class="type">int</span>(m_intensity); }
      <span class="type"><a href="../qtcore/qstring.html">QString</a></span> text() <span class="keyword">const</span> { <span class="keyword">return</span> m_text; }

  <span class="keyword">public</span> <span class="keyword">slots</span>:
      <span class="type">void</span> setRadius(<span class="type">int</span> radius);
      <span class="type">void</span> setFontSize(<span class="type">int</span> fontSize) { m_fontSize <span class="operator">=</span> fontSize; setText(m_text); }
      <span class="type">void</span> setText(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span>text);
      <span class="type">void</span> setIntensity(<span class="type">int</span> intensity);

      <span class="type">void</span> setAnimated(bool animated);

  <span class="keyword">signals</span>:
      <span class="type">void</span> clicked();
  <span class="comment">//     void frameRate(double fps);</span>

  <span class="keyword">private</span>:
      <span class="type">void</span> generateLensPixmap();
      <span class="type"><a href="../qtgui/qpainterpath.html">QPainterPath</a></span> lensDeform(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpainterpath.html">QPainterPath</a></span> <span class="operator">&amp;</span>source<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> <span class="operator">&amp;</span>offset);

      <span class="type"><a href="../qtcore/qbasictimer.html">QBasicTimer</a></span> m_repaintTimer;
  <span class="comment">//     QBasicTimer m_fpsTimer;</span>
  <span class="comment">//     int m_fpsCounter;</span>
      <span class="type"><a href="../qtcore/qtime.html">QTime</a></span> m_repaintTracker;

      <span class="type"><a href="../qtcore/qvector.html">QVector</a></span><span class="operator">&lt;</span><span class="type"><a href="../qtgui/qpainterpath.html">QPainterPath</a></span><span class="operator">&gt;</span> m_paths;
      <span class="type"><a href="../qtcore/qvector.html">QVector</a></span><span class="operator">&lt;</span><span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span><span class="operator">&gt;</span> m_advances;
      <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> m_pathBounds;
      <span class="type"><a href="../qtcore/qstring.html">QString</a></span> m_text;

      <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> m_lens_pixmap;
      <span class="type"><a href="../qtgui/qimage.html">QImage</a></span> m_lens_image;

      <span class="type">int</span> m_fontSize;
      bool m_animated;

      <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> m_intensity;
      <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> m_radius;
      <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> m_pos;
      <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> m_offset;
      <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> m_direction;
      <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> m_mousePress;
      bool m_mouseDrag;
      bool m_smallScreen;
  };

  <span class="keyword">class</span> PathDeformControls : <span class="keyword">public</span> <span class="type"><a href="qwidget.html">QWidget</a></span>
  {
      Q_OBJECT
  <span class="keyword">public</span>:
      PathDeformControls(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> PathDeformRenderer<span class="operator">*</span> renderer<span class="operator">,</span> bool smallScreen);
  <span class="keyword">signals</span>:
      <span class="type">void</span> okPressed();
      <span class="type">void</span> quitPressed();
  <span class="keyword">private</span>:
      PathDeformRenderer<span class="operator">*</span> m_renderer;
      <span class="type">void</span> layoutForDesktop();
      <span class="type">void</span> layoutForSmallScreen();
  };

  <span class="keyword">class</span> PathDeformWidget : <span class="keyword">public</span> <span class="type"><a href="qwidget.html">QWidget</a></span>
  {
      Q_OBJECT
  <span class="keyword">public</span>:
      PathDeformWidget(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> bool smallScreen);
      <span class="type">void</span> setStyle (<span class="type"><a href="qstyle.html">QStyle</a></span> <span class="operator">*</span> style );

  <span class="keyword">private</span>:
      PathDeformRenderer <span class="operator">*</span>m_renderer;
      PathDeformControls <span class="operator">*</span>m_controls;

  <span class="keyword">private</span> <span class="keyword">slots</span>:
      <span class="type">void</span> showControls();
      <span class="type">void</span> hideControls();
  };

  <span class="preprocessor">#endif // PATHDEFORM_H</span>

</pre>
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<!-- @@@painting/deform/pathdeform.h -->
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